With Iron Man 3 heading into its third weekend, now is the perfect time to look ahead to what Marvel Studios may be planning for its own third act – the evolving multi-movie slate known as Phase Three.

Phase One for the comic book studio was the series of films that culminated in last year’s The Avengers. Phase Two begins with Iron Man 3, and will build to Avengers 2 in 2015, with Captain America: The Winter Soldier, Thor: The Dark World, and Guardians of the Galaxy in between.

The question that still hasn’t been resolved, even internally at the studio… What comes next?

Right now the only definite project being planned for Phase Three is Edgar Wright’s Ant-Man, which has been in development since 2006 but will finally come to the screen in November 2015 – just a few months after Avengers 2.

“I’d say 99 percent of our time right now is purely spent on Phase Two,” Marvel Studios president Kevin Feige told EW. “It’s five colossally giant motion pictures that we have to produce. So that’s taking up the time. But within the next year or so we’ll start the advanced planning for post-Avengers 2.”

Given that nothing has been settled yet, EW tried to pick Feige’s brain about which potential Phase Three movies are likely – and which are definitely not happening.